This paper is concerned with a delayed SEIS (Susceptible-Exposed-Infectious-Susceptible) epidemic model with a changing delitescence and nonlinear incidence rate. First of all, local stability of the endemic equilibrium and the existence of a Hopf bifurcation are studied by choosing the time delay as the bifurcation parameter. Directly afterwards, properties of the Hopf bifurcation are determined based on the normal form theory and the center manifold theorem. At last, numerical simulations are carried out to illustrate the obtained theoretical results.
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Abstract Determining the cause of unexplained death in all age groups, including infants, is a priority in forensic medicine. The triple r...
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This paper presents an adaptive multiuser transceiver scheme for DS-CDMA systems in which pilot symbols are added to users’ data to estimate...
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Abstract In this paper we present the study of a skull belonging to a young male from the Italian Bronze Age showing three perimortem inju...
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Find out more about the wide range of A Levels and full time courses available at Longley Park Sixth Form College, the only independent Sixt...
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Abstract To measure integral doses in image-guided radiation therapy, we developed an integral condenser dosimeter comprising a disposable...
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Objectives. To assess the association between short-term postoperative cognitive dysfuction (POCD) and inflammtory response in patients unde...
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